import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/login.vue'
import Home from '../components/home.vue'
import Welcome from '../components/welcome.vue'
import Users from '../components/user/Users.vue'
import Rigths from '../components/power/rights.vue'
import Roles from '../components/power/roles.vue'
import Cate from '../components/goods/cate.vue'
import Params from '../components/goods/params.vue'
import List from '../components/goods/list.vue'
import Add from '../components/goods/add.vue'
import Order from '../components/order/order.vue'
import Report from '../components/report/report.vue'
Vue.use(VueRouter)

const routes = [
  // 配置路由默认进入login页面
  { path: '', redirect: '/login' },
  { path: '/login', component: Login },
  { 
    path: '/home', 
    component: Home, 
    redirect: '/welcome', // 重定向到welcome
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/rights', component: Rigths },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Cate },
      { path: '/params', component: Params },
      { path: '/goods', component: List },
      { path: '/goods/add', component: Add },
      { path: '/orders', component: Order },
      { path: '/reports', component: Report } 
    ]
  }
]

const router = new VueRouter({
  routes
})
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从那个路径跳转而来
  // next 一个函数 表示放行
  if(to.path == '/login') return next()
  // 获取tuken
  const tokenstr = window.sessionStorage.getItem('token')
  if(!tokenstr) return next('/login')
  next()
})

export default router
